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1 / 60

Which of the following tools is used for natively running a Linux system in Windows?

SSH

WSL

ITelnet

[Remote Desktop Protocol

2 / 60

Which of the following constraints is used to enforce referential integrity?

Foreign key

Primary key

Unique key

Surrogate key

3 / 60

Which of the following NFs is considered the most preferable for relational database design?

1 NF

2 NF

3 NF

4 NF

4 / 60

Which of the following indexes stores records in a tabular format?

Unique

Columnstore

Secondary

Non-clustered

5 / 60

Which of the following resources is the best way to lock rows in SQL Server?

SID

TID

RID

PID

6 / 60

Which of the following commands is part of DDL?

GRANT

UPDATE

INSERT

CREATE

7 / 60

Which of the following is an attack in which an attacker hopes to profit from locking the database software?

On-path

Spear phishing

Ransomware

SQL injection

8 / 60

Which of the following is a characteristic of all non-relational databases?

Tabular schema

Unstructured data

Logical record groupings

Columns with the same data type

9 / 60

Which of the following describes the purpose of a snapshot?

To create a synonym

To create an image of a database

To create a tablespace

To create a dynamic data replication

10 / 60

Which of the following is an advantage of creating indexes?

To reduce memory

To update the query plan

To provide quick and efficient access to data

To help with space allocation

11 / 60

Which of the following types of RAID, if configured with the same number and type of disks, would provide the best write performance?

RAID 3

RAID 5

RAID 6

RAID 10

12 / 60

Which of the following is the deployment phase in which a DBA ensures the most recent patches are applied to the new database?

Importing

Modifying

Upgrading

Provisioning

13 / 60

Which of the following is a typical instruction that is found on a Linux command-line script and represents a system shell?

>/bin/sh

#!/bin/bash

#/bin/shell

/bin/bash

14 / 60

Which of the following is most likely to prevent tampering with server hardware that houses data?

Biometric locks

Network firewall

Surveillance cameras

Strong password policy

15 / 60

Which of the following is recommended in order to provide encrypted data communication pathways for information as it is transmitted over a network?

TLS

NFS

SMB

TCP/IP

16 / 60

Which of the following computer services associates IP network addresses with text-based names in order to facilitate identification and connectivity?

NTP

DNS

LDAP

DHCP

17 / 60

Which of the following should a company develop to ensure preparedness for a fire in a data center?

Backup plan

Deployment plan

Data retention policy

Disaster recovery plan

18 / 60

An automated script is using common passwords to gain access to a remote system. Which of the following attacks is being performed?

DoS

Phishing

Brute-force

SQL injection

19 / 60

A company needs information about the performance of users in the sales department. Which of the following commands should a database administrator use for this task?

UPDATE

DROP

SELECT

DELETE

20 / 60

Which of the following statements contains an error?

Select EmpId from employee

Select* from employee where EmpId=90030

Select EmpId where EmpId=90030 and DeptId=34

Select EmpId from employee where EmpId=90030

21 / 60

Which of the following is a reason to create a stored procedure?

To improve performance

To minimize storage space

To bypass case sensitivity requirements

To give control of the query logic to the user

22 / 60

Which of the following would a database administrator monitor to gauge server health? (Choose two.)

Network sniffer, Transaction logs

Domain controllers, Network sniffer

Firewall traffic, CPU usage

CPU usage, Memory usage

Transaction logs, Domain controllers

Memory usage, Firewall traffic

23 / 60

Which of the following cloud delivery models provides users with the highest level of flexibility regarding resource provisioning and administration?

SaaS

IaaS

PaaS

DBaaS

24 / 60

Which of the following are the best resources for monitoring potential server issues? (Choose two.)

CPU usage, Index usage

Index usage, Firewall usage

Firewall usage, User connections

User connections, Query execution

Query execution, Memory usage

Memory usage, CPU usage

25 / 60

A database professional is considering denormalizing a database. Which of the following documents should be used to analyze the database's structure?

SOP

ERD

UML diagrams

Data dictionaries

26 / 60

An on-premises application server connects to a database in the cloud. Which of the following must be considered to ensure data integrity during transmission?

Masking

Bandwidth

Encryption

Redundancy

27 / 60

A database administrator is concerned about transactions in case the system fails. Which of the following properties addresses this concern?

Atomicity

Consistency

Durability

Isolation

28 / 60

A developer is designing a table that does not have repeated values. Which of the following indexes should the developer use to prevent duplicate values from being inserted?

Implicit

Unique

Composite

Single column

29 / 60

Which of the following firewall types allows an administrator to control traffic and make decisions based on factors such as connection information and data flow communications?

Proxy

Packet

Stateful

Circuit-level

30 / 60

A database administrator needs a tool to document and explain the relationships between data in an organization's database. Which of the following is the best tool to accomplish this task?

UML editor

SQL query

Text editor

Word processor

31 / 60

A database's daily backup failed. Previous backups were completed successfully. Which of the following should the database administrator examine first to troubleshoot the issue?

Event log

CPU usage

Disk space

OS performance

32 / 60

Which of the following can be used to protect physical database appliances from damage in a server room? (Choose two.)

Cooling systems, Database control systems

Camera systems, Fire suppression systems

Key card systems, Biometric access systems

Database control systems, Key card systems

Fire suppression systems, Cooling systems

Biometric access systems, Camera systems

33 / 60

A new retail store employee needs to be able to authenticate to a database. Which of the following commands should a database administrator use for this task?

ALTER USER

INSERT USER

CREATE USER

ALLOW USER

34 / 60

A database administrator has been asked to assign a user the ability to view a data set. Which of the following practices best describes this request?

Security audit

Access control

Database audit

Password policy implementation

35 / 60

A database administrator is updating an organization's ERD. Which of the following is the best option for the database administrator to use?

UML tool

Spreadsheet

HTML editor

Word processor

36 / 60

A database administrator needs to ensure continuous availability of a database in case the server fails. Which of the following should the administrator implement to ensure high availability of the database?

ETL

Replication

Database dumping

Backup and restore

37 / 60

A database administrator is new to a company and wants to create a document that illustrates the interaction between tables. Which of the following should the administrator create?

Data dictionary

Troubleshooting guide

Entity relationship diagram

Database reference manual

38 / 60

Which of the following is a potential issue raised by enterprise database users?

The need to manage long transactions

The need to manually transfer records to paper

The need for concurrent access and multiuser updates

The need for multiple views or windows into the same database

39 / 60

Which of the following concepts applies to situations that require court files to be scanned for permanent reference and original documents be stored for ten years before they can be discarded?

Global regulations

Data classification

Data loss prevention

Data retention policies

40 / 60

A database is configured to use undo management with temporary undo enabled. An UPDATE is run on the table. Which of the following describes where the undo is stored?

In the undo tablespace

In the SYSAUX tablespace

In the system global area

In the temporary tablespace

41 / 60

A DBA left the company, and the DBA's account was removed from the system. Soon after, scheduled jobs began failing. Which of the following would have most likely prevented this issue?

Load balancing

Business continuity plan

Service accounts

Assigning a data steward

42 / 60

A company needs to prepare a document that establishes the responsibilities, metrics, penalties, and other generalities that a provider would have to fulfill for customers to use its platforms.
Which of the following documents meets these requirements?

DOU

SLA

MOU

SOW

43 / 60

A programmer wants to configure a database to only allow read or write access when requests are coming from specific IP addresses. Which of the following can be used to configure IP addresses to allow access to the database?

Firewall

DNS

Static IP address

Dynamic IP address

44 / 60

Following a security breach, a database administrator needs to ensure users cannot change data unless a request is approved by the management team. Which of the following principles addresses this issue?

Open access

Least resistance

Least privilege

Elevated privilege

45 / 60

Which of the following is the best way to migrate a large data load from one table to another, considering total time and blocking?

Batch large loads into one transaction

Batch into small loads and run in parallel

Split the load size into many transactions

Split the load size in half and run simultaneously

46 / 60

Which of the following is a result of an on-path attack on a system?

A website that has crashed and is no longer accessible

A web application that returns the addresses of its customers

A Wi-Fi network that redirects to clones of legitimate websites

An email from an unknown source requesting bank account details

47 / 60

A database administrator needs to ensure database backups are occurring on a daily basis and at scheduled times. Which of the following actions should the administrator take?

Review the backup media

Check the database schema

Query the database to observe entries

Review the server logs for entries

48 / 60

A database administrator is migrating the information in a legacy table to a newer table. Both tables contain the same columns, and some of the data may overlap.
Which of the following SQL commands should the administrator use to ensure that records from the two tables are not duplicated?

JOIN

UNION

INTERSECT

CROSS JOIN

49 / 60

A group of developers needs access to a database in a development environment, but the database contains sensitive data. Which of the following should the database administrator do before giving the developers access to the environment?

Mask the sensitive data

Remove sensitive data from tables

Audit access to tables with sensitive data

Encrypt connections to the development environment

50 / 60

A database administrator set up a connection for a SQL Server instance for a new user, but the administrator is unable to connect using the user's workstation. Which of the following is the most likely cause of the issue?

The SQL Server has not been tested properly

The SQL Server ports to the main machine are closed

The SQL Server codes are performing badly

The SQL Server has many concurrent users

51 / 60

A database administrator needs to provide access to data from two different tables to multiple group users in order to facilitate ongoing reporting. However, some columns in each table are restricted, and users should not be able to see the values in these columns.
Which of the following is the best action for the administrator to take?

Create a view

Create a trigger

Create a .csv export

Create a stored procedure

52 / 60

A database administrator manages a database server that is running low on disk space. A lot of backup files are stored on the server's disks.
Which of the following is the best action for the administrator to take?

Move all the backup files to external disks

Delete all the backup files except for the most recent one

Delete all the backup files containing data that is rated as classified

Delete all the backup files that are not required by the backup retention policy

53 / 60

A database administrator needs to aggregate data from multiple tables in a way that does not impact the original tables, and then provide this information to a department. Which of the following is the best way for the administrator to accomplish this task?

Create a function

Create a new database

Create a materialized view

Create indexes on those tables

54 / 60

A company is launching a proof-of-concept, cloud-based application. One of the requirements is to select a database engine that will allow administrators to perform quick and simple queries on unstructured data.
Which of the following would be best suited for this task?

Oracle

MS SQL

MongoDB

Graph database

55 / 60

Which of the following describes a scenario in which a database administrator would use a relational database rather than a non-relational database?

An organization requires data encryption

An organization wants to process complex data sets

An organization wants to maintain consistency among the data in the database

An organization wants to store a large number of videos, photos, and documents

56 / 60

A company wants to deploy a new application that will distribute the workload to five different database instances. The database administrator needs to ensure that, for each copy of the database, users are able to read and write data that will be synchronized across all of the instances.
Which of the following should the administrator use to achieve this objective?

Log shipping

Peer-to-peer replication

Availability groups

Failover clustering

57 / 60

A business analyst is using a client table and an invoice table to create a database view that shows clients who have not made purchases yet. Which of the following joins is most appropriate for the analyst to use to create this database view?

LEFT JOIN ON Client.Key = Invoice.Key

INNER JOIN ON Client.Key = Invoice.Key

LEFT JOIN ON Client.Key = Invoice.Key WHERE BY Invoice.Key IS NULL

RIGHT JOIN ON Client.Key = Invoice.Key WHERE BY Client.Key IS NULL

58 / 60

A database administrator is conducting a stress test and providing feedback to a team that is developing an application that uses the Entity Framework. Which of the following explains the approach the administrator should use when conducting the stress test?

Review application tables and columns, and report findings

Write queries directly into the database and report findings

Check the clustered and non-clustered indexes, and report findings

Capture business logic, check the performance of codes, and report findings

59 / 60

A database administrator needs to ensure that a newly installed corporate business intelligence application can access the company’s transactional data. Which of the following tasks should the administrator perform first?

Create a new service account exclusively for the business intelligence application

Open a new port on the database server exclusively for the business intelligence application

Build a separate data warehouse customized to the business intelligence application's specifications

Send the business intelligence administrator the approved TNS names file to configure the data mapping

Set up a nightly FTP data transfer from the database server to the business intelligence application server

60 / 60

A DBA is reviewing the following logs to determine the current data backup plan for a primary data server:

Which of the following best describes this backup plan?

Daily full

Daily differential

Monthly full, daily differential

Weekly full, daily incremental

Your score is

The average score is 90%

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Free DS0-001 Practice Test – 2025 Updated

Study Smarter for the DS0-001 Exam with Our Free and Reliable DS0-001 Exam Questions – Updated for 2025.

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